CVE-2026-72038 (GCVE-0-2026-72038)
Vulnerability from cvelistv5
Published
2026-08-15 05:51
Modified
2026-08-17 05:07
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: liquidio: fix BAR resource leak on PF number failure If cn23xx_get_pf_num() fails, the function returns without unmapping either BAR. Unmap both BARs before returning from the error path. Found by manual code review.
References
Impacted products
Vendor Product Version
Linux Linux Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
Version: 0c45d7fe12c7e1510bae9dfac189c8b927e4636b
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
            {
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        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.14"
            },
            {
              "lessThan": "4.14",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
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                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "4.14",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
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                  "vulnerable": true
                },
                {
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                  "vulnerable": true
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                },
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                  "versionEndExcluding": "7.2",
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                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: liquidio: fix BAR resource leak on PF number failure\n\nIf cn23xx_get_pf_num() fails, the function returns without\nunmapping either BAR. Unmap both BARs before returning from\nthe error path.\n\nFound by manual code review."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:07:04.031Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/75b924759de9427761115301308c137904aa3f99"
        },
        {
          "url": "https://git.kernel.org/stable/c/4a45884566bab4122bbeb8fff7d2d6b5fdbded24"
        },
        {
          "url": "https://git.kernel.org/stable/c/020e52aee732bb08e6b89dd02bbf88895a50fffd"
        },
        {
          "url": "https://git.kernel.org/stable/c/b74f293e5f38052cfa14710abfacd6b6561cc2d6"
        },
        {
          "url": "https://git.kernel.org/stable/c/a22103618ee5b6ee884c374351f65fcdff7248f0"
        },
        {
          "url": "https://git.kernel.org/stable/c/715cce38424fb2488ef2c5e6e6ffbfe1b74a9e67"
        },
        {
          "url": "https://git.kernel.org/stable/c/4140c516473a0e116ab3a73f9320c2aa5800210b"
        },
        {
          "url": "https://git.kernel.org/stable/c/c63ee62a3c4ac1a1542f4c1a4b87e2f41df5a496"
        }
      ],
      "title": "net: liquidio: fix BAR resource leak on PF number failure",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72038",
    "datePublished": "2026-08-15T05:51:58.487Z",
    "dateReserved": "2026-08-09T03:40:39.901Z",
    "dateUpdated": "2026-08-17T05:07:04.031Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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